2 watt handheld UHF CB radio INSTRUCTION MANUAL - GME

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2 watt handheld UHF CB radio INSTRUCTION MANUAL - GME

If you would like to receive Town Council agendas via email, please send your address to Town ClerkJudy Morgan at judymorgan@dhaz.gov or call 928‐632‐7362.Certification of PostingThe undersigned hereby certifies that a copy of the attached notice was duly posted at the following locations: Dewey‐Humboldt Town Hall, 2735 South Highway 69, Humboldt, Arizona, Chevron Station, 2735 South Highway 69, Humboldt,Arizona, Blue Ridge Market, Highway 69 and Kachina Drive, Dewey, Arizona, on the _____ day of _______________, 2010, at_____ p.m. in accordance with the statement filed by the Town of Dewey‐Humboldt with the Town Clerk, Town of Dewey‐Humboldt.By: _________________________, Town Clerk’s Office.Page 2 of 2Town Council Study Session March 9, 2010 Page 2 of 19


WARNING - SAFETY INFORMATIONThe TX670 is a radio transmitting device.• When transmitting, keep the antenna more than 25 mm fromany part of the head or body.• Do not transmit near electrical blasting equipment or inexplosive atmospheres.• Do not allow children to operate a radio transmitter unsupervised.IMPORTANT INFORMATIONCONCERNING UHF CB RADIOThe use of the Citizen Band radio service is licensed in Australia bythe ACMA Radiocommunications (Citizens Band Radio Stations) ClassLicence and in New Zealand by the Ministry of Economic DevelopmentNew Zealand (MED). A General User Radio Licence for Citizens Bandradio and operation is subject to conditions contained in thoselicences.The class licence for users and equipment operating in the CB/PRS477 MHz band has been amended. This radio meets the new 80channel standard.In simple terms the same amount of spectrum is available; however,radio transceivers can now operate in a narrower bandwidth andhence use less spectrum. These radios are generally referred to asnarrowband or 12.5 kHz radios. By using 12.5 kHz channel spacinginstead of 25 kHz, the 40 channels originally allocated can nowexpanded to 80 channels thereby doubling the channel capacityand relieving congestion in the UHF CB/PRS band. Original 40 channel wideband Radios will continue to operate on theoriginal 40 channels, however they will not be able to converse onthe newer channels 41 – 80. The newer narrowband radios will beable to converse with all older 40 channel wideband radios on allchannels 1 to 40 as well as the newer channels allocated from 41to 80. The mixing of narrowband and wideband radios in the same spectrumcan cause some possible operating issues of interference and varyinglevels of received volume.Possible issuesWhen a new narrowband radio receives a transmission from anolder wideband radio the speech may sound loud and distorted –simply adjust your radio volume for best performance.When an older wideband radio receives a signal from a newnarrowband radio, the speech may sound quiet - simply adjust yourradio volume for best performance.Depending on how close your receiving radio is to anothertransmitting radio, there can be interference from the transmittingradio if it is using a channel adjacent to the channel you arelistening to. Simply try going up or down a few channels from thecurrently selected channel.The above situations are not a fault of the radio but a symptom ofoperating wideband and narrowband radios in the same bandwidth.This possible interference will decrease over time as the populationof wideband radios ages and decreases.Further information and updates are available from theAustralian Communications and Media Authority (ACMA) at:www.acma.gov.au and the Ministry of Economic Development(MED), Radio Spectrum Management at: www.rsm.govt.nzThe ACMA has allocated channels 5/35 for emergency use only.Channel 5 is the primary Simplex Emergency Channel. Where aChannel 5 repeater is available, you should select Duplex on CH 5.NOTE: Channel 35 is the input channel for the Channel 5 repeatertherefore Channel 35 should also not be used for anything other thanemergency transmissions.Telemetry ChannelsACMA regulations have allocated channels 22 and 23 for telemetryonly applications and have prohibited the transmission of speechon these channels. Consequently the TX670 has a transmit-inhibitapplied to channels 22 and 23.TX670TP INSTRUCTION MANUAL PAGE 3


In the event that additional telemetry/telecommand channels areapproved by the ACMA, these channels shall be added to thosecurrently listed where voice transmission is inhibited. Currentlytransmissions on channels 61, 62 and 63 are also inhibited andthese channels are reserved for future allocation.featuresradio CONTROLSAntenna• Microprocessor Controlled Frequency Synthesiser: Allowsuser programmable control of scanning, channel memories andselected feature options.• Programmable Scan Function: Scans up to 80 UHFCB channels.• In-built CTCSS: User selectable Continuous Tone Coded Squelchsystem for quiet channel operation.• 2 watt/1 watt RF Power: When transmitting in close range youcan conserve battery power by using the Low Power setting.•Individually Programmable Duplex Function: Userselectable for those individual repeater channels in your area.• Power-Save Feature: Sleeps during periods of inactivity.• Keypad Lock: Prevents accidental button presses.• Backlit LCD: For night viewing.• Calling Tone/Roger Beep: Alerts you to incoming calls.• Dual Watch: Monitors two channels simultaneously.• VOX: Voice activated transmit for hands free operation.Push-totalk(PTT)BeltClipMode/LockKeyDuplex/MonitorChannelDownLEDSpeakerVolumeOn/OffLCDExternalSpeakerMicScan/MemoryMicChannelUpDuplex/MonitorBatteryCompartmentPAGE 4 INSTRUCTION MANUAL TX670TP


LCD DISPLAY1 2 3 4 5 6 716151 Receiver Busy Icon: Appearswhen receiving.2 Transmit Icon: Appears whentransmitting.3 Memory Icon: Appears whenthe selected channel is storedin the Scan memory.4 Scan Indicator Icon: Appearswhen SCAN is enabled andthe radio is scanning.5 Button Beep Tone Icon:Appears when the buttonbeep confirmation tone isselected.6 Roger-Beep Tone Icon:Appears when the Roger-Beep tone is enabled.7 Battery Level Icon: Indicatesbattery charge level. Flasheswhen battery is almost empty.8 Dual Watch Icon: Appearswhen Dual Watch mode isactive.14 13 128910119 High Power Icon: Appearswhen High transmitter poweris selected.10 Duplex Icon: Indicates thatDuplex communication hasbeen enabled.11 Key-Lock Icon: Appears whenthe keypad is locked.12 Monitor Icon: Appears whenMonitor function is activated.13 Power Save Icon: Appearswhen the radio is in thepower save mode.14 Voice Activated Transmission(VOX) Icon: Appears whenthe VOX mode is activated.15 CTCSS Tone: Displays theselected CTCSS tone(from 00 – 38) on theselected channel.16 Channel Display: Indicatesthe channel number in use.Powering the radioYour TX670 is powered by a Ni-MH rechargeable battery pack. Ifleft unused, the batteries will discharge within a few months. If youhave not used your TX670 for some time, you will need to rechargeyour battery pack before use.Installing the BatteriesBattery installation is more convenient when the belt clip isremoved. To do this, release the spring clip and slide the beltclip downward and away from the radio body.1. Press the centre-top area of the battery cover andslide downwards.2. Install the rechargeable battery pack in the directionindicated on the pack until it ‘clicks’ into place.3. Replace the battery cover and belt clip.Spring ClipBeltClipBatteryCoverThis sidefaces upTX670TP INSTRUCTION MANUAL PAGE 5


Charging the BatteriesYour TX670s are supplied with an AC adapter and semi-quickcharger that will recharge a fully discharged 1500 mAh batterypack to full capacity in around 6-7 hours. The semi-quick charger iscapable of charging 2 radios at once.1. Plug the AC adapter into a standard 240 volt AC outlet.2. Plug the lead from the AC adapter into the charging cradle.3. Place the TX670s into the cradle. The associated LED will lightRED to indicate the batteries are charging.3. When the batteries have charged, the LED will change togreen.Battery Low AlertWhen the icon blinks on the display, the battery level is lowand the batteries should be recharged or replaced. If the batteriesare not charged, an audio tone will then sound to warn the userthat the batteries are almost discharged.Battery UsageThe time taken to discharge the batteries will depend on how youuse the TX670. The 1500 mAh battery pack supplied is powerfulenough for a full days use under average conditions.Conserving Battery PowerThe TX670 has built-in power saving features to help you get themaximum amount of time between charges. If you need to operateyour TX670 in a situation where you require maximum battery life(e.g. a remote site where there is no convenient recharging facilitynearby) the following hints can greatly reduce the amount of powerdrawn from the batteries.Standby ModeThe TX670 will automatically enter the ‘Standby’ mode whenit is inactive (i.e. not transmitting or receiving signals). While inStandby mode it will still check for incoming signals but it will drawconsiderably less power from the batteries. As soon as a signal isheard or the keys are pressed the TX670 will ‘wake up’ again. ThisStandby mode is automatic and by itself can extend the battery lifeby many hours.Using CTCSSIf you are expecting to receive signals on a busy channel, you canprogram that channel for CTCSS operation and get the other personto call you using the same CTCSS tone. Your radio will then remainin Standby and ignore all other signals until your selected CTCSStone is received.ScanningThe TX670 draws more power from the batteries when scanningthan when monitoring a single channel. This is because it must‘wake up’ more often to monitor each channel for activity. You canlengthen the battery life by avoiding any unnecessary scanning. Inaddition, scanning increases the chance of finding a signal therebykeeping the receiver ‘awake’ and the Squelch open more often.Low Transmit Power SettingsThe transmitter has both high and low power settings. If youare only operating over short distances, are in a reasonablyhigh location or are close to a local repeater, try using the Lowtransmitter power setting. This reduces the transmitter power from2 watts to 1 watt effectively doubling the talk time available.GENERAL OPERATIONPower On/OffRotate the Volume control clockwise past the ‘click’ to turn theradio on. Rotate the control counter-clockwise past the click to turnthe radio off again.Adjusting the VolumeWith the unit powered on, rotate the Volume control clockwise toincrease the volume and counter-clockwise to decrease the volume.Display LightingThe LCD backlighting activates automatically whenever a key ispressed and turns off automatically after about 5 seconds.PAGE 6 INSTRUCTION MANUAL TX670TP


Receiving signalsWhile the TX670 is not receiving signals, it will remain in theStandby mode to conserve battery power.When a signal is received, the LED indicator on the upper edge ofthe radio will light green and the icon will appear on the display.Adjust the Volume control for a comfortable listening level.If the incoming signal is encoded with a CTCSS tone that matchesthe one set in your radio, the LED indicator will light orange andyou will be able to hear the signal in the speaker.If the LED indicator lights green and the icon appears butyou cannot hear the signal, it is likely that your radio has CTCSSenabled and the incoming signal is not using your selected CTCSStone (see ‘Mode Settings’ for more details on CTCSS settings).If no further signals are received, the unit will return toStandby mode.TransmittingTo transmit, press and hold the Push-To-Talk (PTT) switch. Theother radio you are talking to must be set to the same channel (andCTCSS code if applicable). Hold the TX670 approximately 5 to 8 cmfrom your face with the antenna vertical and speak into the built-inmicrophone.While the PTT switch is pressed, the LED indicator on the upperedge of the radio will light red and the icon will appear onthe LCD.When you have finished speaking, release the PTT switch to receiveincoming signals (it is not possible to transmit and receive at thesame time). If no further signals are received, the unit will to revertto Standby mode.TIP: The PTT switch can also be used to transmit a Call Alarmmelody. When the Call Alarm melody is enabled (see Mode settingsfor more details on the Call Alarm settings), pressing the PTTswitch twice quickly will call another party on the same channeland play the Call Alarm melody in their radio’s speaker. When thishappens, the icon will appear and the LED indicator will lightred for about 5 seconds.Duplex/Monitor KeyThe Duplex/Monitor key is a dual function key that controls boththe Duplex and Monitor functions.DUP KeyPress this button to select Duplex mode on channels 1 – 8 and41 – 48. Duplex can be enabled or disabled separately onindividual channels.Duplex operation allows the TX670 to transmit on a differentfrequency to that which it receives. This allows operation throughrepeater stations in your area. Repeaters automatically re-transmityour signal over a much wider area, providing greatly increasedrange. The Duplex mode only works on channels 1 – 8 and41 – 48. With Duplex selected, your TX670 actually transmits30 channels higher than it receives.TX670TP INSTRUCTION MANUAL PAGE 7


ChannelSelected* Emergency channel onlyReceiveChannelTransmitChannel1 1 312 2 323 3 334 4 345* 5* 35*6 6 367 7 378 8 3841 41 7142 42 7243 43 7344 44 7445 45 7546 46 7647 47 7748 48 78To switch between Simplex and Duplex modes, select a duplexchannel (1 – 8, 41 – 48) then briefly press the DUP button.When Duplex mode is selected, ‘DUP’ appears on the display onthat channel.Mon KeyTo open the Squelch, press and hold the MON key. This will allowyou to check the current channel for activity before transmitting,particularly if you have CTCSS enabled. When the Squelch is open,the LED indicator on the upper edge of the radio will light green,the icon will appear on the display and you will hear staticor hiss if the channel is clear. Do not transmit if you hear anyconversations. Press and hold the MON key again to closethe Squelch.CTCSSTo activate or deactivate CTCSS, the current channel must have aCTCSS code selected via the MODE key, (see MODE key settingsfor more details).SCAN/Memory KeyThe SCAN key is a dual function key that controls both Scan andMemory Functions.Scanning FunctionChannel Scanning allows you to monitor channels that have beenincluded in the active scan list. The active scan list includes allchannels which display the icon ‘M’ on the LCD.To enable channel scanning, briefly press the SCAN key. ‘SCAN’will be displayed and the radio will show rapidly changing channelnumbers as it scans through the channels. While scanning, brieflypress the or keys to select the scan direction.To exit Scan mode, briefly press the SCAN key again. The TX670 willreturn to normal operation and ‘SCAN’ will disappear from the display.Scanning Features• If a signal is received, the scan is paused, allowing youto transmit and receive on that channel. The radio willautomatically resume scanning a few seconds after the lastreception or transmission.• Press the PTT switch while the unit is scanning to jump to thehome channel (the home channel is the channel the radio wason at the time scanning was activated). You can then transmitand receive on that channel. The radio will automatically resumescanning a few seconds after the last reception or transmission.• When the unit has stopped on a busy channel, press the orkeys to ‘skip’ over the busy channel and continue scanning.TIP: The Scan mode will reduce the overall battery life becausethe Standby (battery saver) feature is overridden. You shouldavoid scanning if the batteries are running low and you need toconserve power.PAGE 8 INSTRUCTION MANUAL TX670TP


Memory FunctionThe Memory function enables and disables the current channelto be memorised into the scanning list. When the channel ismemorised with the ‘M’ icon on the LCD, scanning will include thechannel. When the channel is deleted from the scanning list, thechannel will be skipped upon scanning. All channels are saved toMemory during manufacture. To add or remove a channel from theMemory, press and hold the SCAN/Mem key.Mode/Key-Lock KeyMode FunctionThe MODE key is used to set the various feature settings of theTX670. The following chart shows the order of these selections:Standby Mode:1. CTCSS Code Selection2. Transmitter Power3. VOX Settings4. Dual Watch Channel5. Squelch Settings6. Roger Beep Tone Selection7. Button Beep Tone Selection8. Call Alarm SelectionKey-Lock FunctionThe Key-Lock function disables the keys to prevent accidental keypresses from changing the preferred settings of the radio. Whenthe keys are locked, the Icon is displayed and all key presses areignored except for the PTT and Key-Lock functions.To activate the Key-Lock, press and hold the Mode button forabout 2 seconds. The icon will appear on the display.To cancel the Key-Lock, press and hold the Mode button again.The icon will disappear from the display.Selecting ChannelsIn the ‘Standby’ mode, press the or key to step up/downone channel. Press and hold the or keys to quickly scrollup/down through the channels.In ‘Mode edit’ mode, press the or key to step upwards ordownwards through the selected mode settings.1. CTCSS Code SelectionThe Continuous Tone Coded Squelch System (CTCSS) is a Squelchquieting system that allows groups of users to share the samechannel without disturbing each other. It uses 1 of 38 lowfrequency tones to open and close the Squelch on the radio. TheCTCSS codes do not prevent others from hearing your transmission.They simply provide you with a quieter channel by preventing youfrom hearing transmissions that are not using the same code as youand are therefore not directed at you.Note: To communicate with other UHF radios using CTCSS, allradios you wish to communicate with must be switched to thesame channel and have the same CTCSS code selected. If you wishto receive signals from UHF radios that are not using CTCSS youwill need to either disable CTCSS on that channel or set the CTCSScode to ‘oF‘ as described in the following ‘note’.To Select a CTCSS CodeFrom the ‘Standby’ mode:1. Select the required channel using the or keys.2. Press the MODE key ONCE (1) to select the CTCSS setting mode.‘CTC’ will flash on the display.3. Press the or keys to select the required CTCSS code. (A listof available codes is shown in the chart on page 12).Note: To turn CTCSS off on this channel, set the CTCSS code to ‘oF‘4. Press the MODE or PTT key momentarily to confirm and storeyour selection.TX670TP INSTRUCTION MANUAL PAGE 9


NOTE: CTCSS is only enabled on those channels with CTCSS codesselected. All other channels will continue to operate normally.2. Transmitter PowerThe transmitter power can be set to High (2 watts) or Low (1 watt).The power setting applies to all channels.To Set the Transmit PowerFrom the ‘Standby’ mode:1. Press the MODE key TWICE (2) to select the power settingmode. ‘Po’ will be displayed and ‘HI’ or ‘LO’ will be flashing onthe display.2. Press the or keys to select the required power setting.Select ‘HI’ for high power or ‘LO’ for low power.3. Press the MODE or PTT key momentarily to confirm and storeyour selection.The TX670 should now display the selected channel number alongwith ‘HI’ if you have selected high power. If you have selected lowpower, this setting will not be indicated.3. VOX SettingsThe VOX feature lets you have hands-free conversations. When youspeak, the microphone automatically detects your voice (or othernearby sound) causing the radio to transmit without the need topress the PTT switch.To Set Radio for VOX OperationFrom the ‘Standby’ mode:1 Press the MODE key THREE (3) times to select the VOX settingmode. ‘VOX’ will flash on the display.2. Press the or keys to select the sensitivity from 1 (minimum)to 3 (maximum). The minimum setting requires a louder voiceto activate the VOX. The maximum setting will activate the VOXwith a much softer voice.3. To disable the VOX completely, set the VOX sensitivity to ‘oF’.4. Press the MODE or PTT key momentarily to confirm and storeyour selection. When the VOX is enabled, ‘VOX’ is visible onthe display.4. Dual Watch SettingsThe Dual Watch mode lets you to monitor two channels at the sametime. While in Dual Watch mode, the unit will monitor both thecurrently selected channel and a second dual watch channel.To Set the Dual Watch ModeFrom the ‘Standby’ mode:1. Press the MODE key FOUR (4) times to select the Dual Watchsetting mode. The ‘DW’ icon will flash on the display.2. Press the or keys to select the Dual Watch channel number(1-40). To disable the Dual Watch Mode altogether select ‘oF‘.3. Press the MODE or PTT key momentarily to confirm and storeyour Dual Watch channel selection ‘DW’ will be displayed at thetop of the LCD and the display will now alternate between thecurrently selected channel and the Dual Watch channel.To EXIT the Dual Watch mode, momentarily press the SCAN key.This is equivalent to setting the Dual Watch Mode to ‘oF‘.Dual Watch Operation• If a signal is received on the Dual Watch channel, the radioswill pause on that channel for as long as it remains busy,then resume the Dual Watch five (5) seconds after the lasttransmission has ceased.• If you wish to talk on the busy channel, press the PTT switchwhile the radios are locked onto that channel then talk in theusual way.• If you wish to talk on the selected channel, press the PTT switchwhile no signals are being received. The radios will switch to theselected channel.PAGE 10 INSTRUCTION MANUAL TX670TP


5. Squelch SettingsThe ‘Squelch’ mode lets you adjust the receiving sensitivity. Thehigher the Squelch level is set, the stronger the signal needs to befor it to be received by the radios.To Set the ‘Squelch’ Mode1. Press the MODE key FIVE (5) times to select the Squelch settingmode, ‘ ’ will be displayed.2. Press the or keys to select the Squelch level from 01(lowest) to 03 (highest) setting.3. Press the MODE or PTT key momentarily to confirm and storeyour Squelch mode selection.6. Roger Beep Tone SelectionThe Roger Beep is a tone which is automatically transmittedwhenever the PTT switch is released. This tone alerts the receivingparty that your transmission has ended.To Enable or Disable the Roger Beep ToneFrom the ‘Standby’ mode:1. Press the MODE key SIX (6) times to select the Roger Beepsetting mode. ‘Rb’ will be displayed along with a flashing .2. Press the or keys to set the beep to ‘On‘ or ‘oF‘ as desired.3. Press the MODE or PTT key momentarily to confirm and storeyour selection. If the Roger Beep function is on, the icon willremain steady on the display.7. Button Beep Tone SelectionThe Button Beep tone feature allows the radios to sound aconfirmation tone whenever the MON, SCAN, MODE, orkeys are pressed.To Turn the Button Beep Tones On or OffFrom the ‘Standby’ mode:1. Press the MODE key SEVEN (7) times to select the Button Beepsetting mode. ‘bP’ will be displayed along with a flashingicon.2. Press the or keys to set the beep to ‘On‘ or ‘oF‘ as desired.3. Press the MODE or PTT key momentarily to confirm and storeyour selection. If the Button Beep function is on, the iconwill remain steady on the display and a beep will be heard inresponse to key activation.8. Call Alarm SelectionThe TX670 provides 5 user selectable call alarm melodies to alertother users to your incoming call. When enabled, the melody can betransmitted to another user where it will be heard in the speaker ofthe receiving radio.To Select our Favourite Call Alarm MelodyFrom the ‘Standby’ mode:1. Press the MODE key EIGHT (8) times to select the Call Alarmsetting mode. ‘C’ will be displayed.2. Press the or keys to preview (listen) to the 5 availablecall melodies.3. To turn the call melodies off, select ‘oF‘.4. Press the MODE or PTT key momentarily to confirm and storeyour selection.To Send the Call Alarm MelodyPress the PTT switch twice quickly. The LED indicator will light redfor a few seconds as the melody is sent. The melody will be heard inthe speaker of the receiving radio.TX670TP INSTRUCTION MANUAL PAGE 11


CTCSS TONE FREQUENCIESNo. Frequency No. Frequency1 67.0 20 131.82 71.9 21 136.53 74.4 22 141.34 77.0 23 146.25 79.7 24 151.46 82.5 25 156.77 85.4 26 162.28 88.5 27 167.99 91.5 28 173.810 94.8 29 179.911 97.4 30 186.212 100.0 31 192.813 103.5 32 203.514 107.2 33 210.715 110.9 34 218.116 114.8 35 225.717 118.8 36 233.618 123.0 37 241.819 127.3 38 250.3(CTCSS frequency shown in Hz)PAGE 12 INSTRUCTION MANUAL TX670TP


UHF CB OPERATING FREQUENCIESChannel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz)1 476.425~ 21 476.925 41 476.4375~ 61• 476.93752 476.450~ 22# 476.950 42 476.4625~ 62• 476.96253 476.475~ 23# 476.975 43 476.4875~ 63• 476.98754 476.500~ 24 477.000 44 476.5125~ 64 477.01255* 476.525~ 25 477.025 45 476.5375~ 65 477.03756 476.550~ 26 477.050 46 476.5625~ 66 477.06257 476.575~ 27 477.075 47 476.5875~ 67 477.08758 476.600~ 28 477.100 48 476.6125~ 68 477.11259 476.625 29 477.125 49 476.6375 69 477.137510 476.650 30 477.150 50 476.6625 70 477.162511+ 476.675 31 477.175~ 51 476.6875 71 477.1875~12 476.700 32 477.200~ 52 476.7125 72 477.2125~13 476.725 33 477.225~ 53 476.7375 73 477.2375~14 476.750 34 477.250~ 54 476.7625 74 477.2625~15 476.775 35* 477.275~ 55 476.7875 75 477.2875~16 476.800 36 477.300~ 56 476.8125 76 477.3125~17 476.825 37 477.325~ 57 476.8375 77 477.3375~18 476.850 38 477.350~ 58 476.8625 78 477.3625~19 476.875 39 477.375 59 476.8875 79 477.387520 476.900 40^ 477.400 60 476.9125 80 477.4125* Emergency use only+ Officially designated call channel# Telecommand/Selcall use only. Voice transmission isinhibited as required by AS/NZS 4365:2011.^ Road channel~ Repeater channels• Guard band channels. Voice transmission isinhibited as required by AS/NZS 4365:2011.TX670TP INSTRUCTION MANUAL PAGE 13


SPECIFICATIONsGeneralFrequency Range: 476.425 - 477.4125 MHzChannel Spacing: 12.5 kHzNo. of Channels: 80(75 Voice, 2 Telemetry-RX only,3 for future use)CTCSS Codes: 38Dimensions (W x H x D): 62 mm x 98 mm x 30 mm(without antenna)Complies with: AS/NZS4365:2011POWER SUPPLYPower Source: Ni-MH rechargeable battery pack3.6 V 1500 mAh.Operating Time: 10 Hours (High Power)(Transmit 5%, Receive 5%,Standby 90%)RECEIVERUsable Sensitivity: -121 dBmMaximum Audio Output: >0.3 watts max. (8 Ohm)Modulation Distortion:


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